public class String_Practice {
    public static void main(String[] args)
    {
        char c='a';
        int num=10;
        String str="hello";
        System.out.println(c+num+str); //107hello
        System.out.println(c+str+num); //ahello10
        System.out.println(c+(num+str));//a10hello
        System.out.println((c+num)+str); //107hello
    }
}
